Home / 28,707.48-43,061.56-7,647.41

Finding the Fourth Proportional to 28,707.48, 43,061.56 and 7,647.41

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Solution

The fourth proportional to 28,707.48, 43,061.56 and 7,647.41 is: 11,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.48 : 43,061.56 = 7,647.41 : x
  2. Step 2: Convert to fraction form
    28,707.48/43,061.56 = 7,647.41/x
  3. Step 3: Cross multiply
    28,707.48x = 43,061.56 × 7,647.41
  4. Step 4: Simplify right side
    28,707.48x = 329,309,493.09
  5. Step 5: Solve for x
    x = 329,309,493.09/28,707.48
  6. Step 6: Final answer
    x = 11,471.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.